Let $\mathbf { r } = x \mathbf { i } + y \mathbf { j } + z \mathbf { k }$ and $r = | \mathbf { r } |$.
Find $\nabla \cdot ( \mathbf { r } )$

Name: Let $\mathbf { r } = x \mathbf { i } + y \mathbf { j } + z \mathbf { k }$ and $r = | \mathbf { r } |$. Find $\nabla \cdot ( \mathbf { r } )$
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The Answer of Let $\mathbf { r } = x \mathbf { i } + y \mathbf { j } + z \mathbf { k }$ and $r = | \mathbf { r } |$.
Find $\nabla \cdot ( \mathbf { r } )$

Let r=xi+yj+zk\mathbf { r } = x \mathbf { i } + y \mathbf { j } + z \mathbf { k }r=xi+yj+zk

Let $\mathbf { r } = x \mathbf { i } + y \mathbf { j } + z \mathbf { k }$